MUON/mapping/AliMpRowPainter.cxx

   1 // $Id$
   2 // Category: graphics
   3 //
   4 // Class AliMpRowPainter
   5 // ---------------------
   6 // Class for drawing a row into canvas
   7 // Included in AliRoot: 2003/05/02
   8 // Authors: David Guez, IPN Orsay
   9
  10 #include <TVirtualX.h>
  11 #include <TPad.h>
  12 #include <TError.h>
  13
  14 #include "AliMpRowPainter.h"
  15 #include "AliMpGraphContext.h"
  16 #include "AliMpRow.h"
  17 #include "AliMpRowSegment.h"
  18
  19 ClassImp(AliMpRowPainter)
  20
  21 //_______________________________________________________________________
  22 AliMpRowPainter::AliMpRowPainter()
  23   : AliMpVPainter(),
  24     fRow(0)
  25 {
  26   // default dummy constructor
  27 }
  28
  29 //_______________________________________________________________________
  30 AliMpRowPainter::AliMpRowPainter(AliMpRow *row)
  31   : AliMpVPainter(),
  32     fRow(row)
  33 {
  34   // normal constructor
  35 }
  36
  37 //_____________________________________________________________________________
  38 AliMpRowPainter::AliMpRowPainter(const AliMpRowPainter& right)
  39   : AliMpVPainter(right) {
  40 //
  41   // copy constructor (not implemented)
  42
  43   Fatal("AliMpRowPainter", "Copy constructor not provided.");
  44 }
  45
  46 //_______________________________________________________________________
  47 AliMpRowPainter::~AliMpRowPainter()
  48 {
  49   // destructor
  50 }
  51
  52 //_____________________________________________________________________________
  53 AliMpRowPainter& AliMpRowPainter::operator=(const AliMpRowPainter& right)
  54 {
  55   // assignement operator (not implemented)
  56
  57   // check assignement to self
  58   if (this == &right) return *this;
  59
  60   Fatal("operator =", "Assignement operator not provided.");
  61
  62   return *this;
  63 }
  64
  65 //_______________________________________________________________________
  66 void AliMpRowPainter::DumpObject()
  67 {
  68 // Draw the owned object
  69   fRow->Dump();
  70
  71 }
  72
  73 //_______________________________________________________________________
  74 TVector2 AliMpRowPainter::GetPosition() const
  75 {
  76 // Get the owned object's position
  77   return fRow->Position();
  78
  79 }
  80
  81 //_______________________________________________________________________
  82 TVector2 AliMpRowPainter::GetDimensions() const
  83 {
  84 // Get the owned object's dimensions
  85   return fRow->Dimensions();
  86
  87 }
  88
  89 //_______________________________________________________________________
  90 void AliMpRowPainter::Draw(Option_t *option)
  91 {
  92 // Draw the sector on the current pad
  93 // The first letter of <option> is treated as follows:
  94 // case "S" : each row segments are drawn separately
  95 // case ""  : the whole row is drawn at once
  96 // in both cases, the rest of the option is passed
  97 // as argument to the Draw function of respectively
  98 // zone or row objects.
  99 // ---
 100   AliMpGraphContext *gr = AliMpGraphContext::Instance();
 101   if( !fRow) return;
 102
 103   gr->Push();
 104   InitGraphContext();
 105
 106   switch (option[0]){
 107   case 'S':
 108     {
 109       for (Int_t iRowSeg=0;iRowSeg<fRow->GetNofRowSegments();++iRowSeg){
 110         AliMpVRowSegment *rowSegment = fRow->GetRowSegment(iRowSeg);
 111         gr->Push();
 112
 113         gr->SetPadPosForReal(rowSegment->Position(),rowSegment->Dimensions());
 114         DrawObject(rowSegment,option+1);
 115
 116         gr->Pop();
 117       }
 118     }
 119     break;
 120   default: AppendPad(option);
 121   }
 122   gr->Pop();
 123 }
 124
 125 //_______________________________________________________________________
 126 void AliMpRowPainter::Paint(Option_t *option)
 127 {
 128   // Paint the object
 129
 130   AliMpGraphContext *gr = AliMpGraphContext::Instance();
 131   if( !fRow) return;
 132   Int_t col=gVirtualX->GetFillColor();
 133   gr->Push();
 134   gPad->Range(0.,0.,1.,1.);
 135   InitGraphContext();
 136   PaintWholeBox(kTRUE);
 137
 138   if (option[0]=='T'){
 139     Float_t textSize =   gVirtualX->GetTextSize();
 140     gVirtualX->SetTextSize(12);
 141     gPad->PaintText(GetPadPosition().X()-0.01,GetPadPosition().Y()-0.01,
 142                     Form("%d",fRow->GetID()));
 143     gVirtualX->SetTextSize(textSize);
 144   }
 145
 146
 147   gr->Pop();
 148   gVirtualX->SetFillColor(col);
 149 }